WO2006134711A1 - セメント混和材、セメント組成物、並びに、モルタル又はコンクリート製品の製造方法 - Google Patents
セメント混和材、セメント組成物、並びに、モルタル又はコンクリート製品の製造方法 Download PDFInfo
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- WO2006134711A1 WO2006134711A1 PCT/JP2006/307258 JP2006307258W WO2006134711A1 WO 2006134711 A1 WO2006134711 A1 WO 2006134711A1 JP 2006307258 W JP2006307258 W JP 2006307258W WO 2006134711 A1 WO2006134711 A1 WO 2006134711A1
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- WIPO (PCT)
- Prior art keywords
- cement
- anhydrous gypsum
- mass
- cement admixture
- natural anhydrous
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/16—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing anhydrite, e.g. Keene's cement
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2053—Earthquake- or hurricane-resistant materials
Definitions
- the present invention relates to a cement admixture that defines the dissolution rate of natural anhydrous gypsum in a cement admixture, a cement composition using the admixture, and a method for producing a mortar or concrete product using the admixture.
- Anhydrite is widely used as an admixture for atmospheric steam curing.
- Anhydrous gypsum varies greatly depending on its heat treatment conditions and formation process, and natural anhydrous gypsum, depending on the production area.
- Patent Document 1 Japanese Examined Patent Publication No. Sho 5 6-4 0 1 0 4
- natural anhydrous gypsum has a high dissolution rate, and it is considered that the use of naphthalene-based melamine-based high-performance water reducing agents used in the manufacture of high-strength concrete causes inconveniences such as false coagulation.
- O.OSQ / oN & HPC water A polycarboxylate-based water reducing agent that has a setting retarding property when SO ion concentration in an aqueous solution is 0.15 to 1.5 mass% when lg natural anhydrite is brought into contact with lOOg for 1 hour.
- Patent Document 2 There has also been proposed a concrete blended together with and a method for producing a high strength concrete molded body using the same.
- Patent Document 2 Japanese Patent No. 3 3 4 3 1 6 3
- Patent Document 3 Japanese Patent Publication No. 5 7-4 9 5 04
- hydrous acid-generated by-product gypsum has been found to be a cause of the destruction of the ozone layer by the use of chlorofluorocarbon gas, and an alternative technology has been developed to suppress the production of hydrofluoric acid.
- anhydrous gypsum is drastically decreasing, making it difficult to use.
- Natural anhydrous gypsum basically has a high dissolution rate, and the dissolution rate varies depending on the origin, the depth of the vein, and the impurities contained, and the solubility varies greatly depending on the powder conditions, so stable high strength development performance is achieved. It is difficult to secure.
- the dissolution rate and reactivity differ depending on the temperature, so even if it is used in combination with a polycarboxylate-based water reducing agent, there are problems such as the occurrence of false coagulation and sudden slump loss depending on the type and amount of addition. Is inherent.
- cement-mixed materials containing silica fume, silicate white clay, fly ash, etc. is usually used with silica fume, silicate white clay, fly ash, etc., for use with hydrofluoric acid by-product anhydrous gypsum that originally had a low dissolution rate. It is expected to have a pozzolanic reaction due to pressurized steam, and there is no technical idea to increase the strength with anhydrous gypsum by controlling the dissolution rate of natural anhydrous gypsum with a high dissolution rate as in the present invention. The effect is not shown either.
- “a cement admixture containing anhydrous gypsum and thiocyanate is not shown either.
- J's invention and “cement containing 3CaO ⁇ S1O2 content of 60% or more Portland cement, anhydrous gypsum, and formic acids.
- natural anhydrous gypsum naturally anhydrous gypsum
- silica fine powder is contained together with natural anhydrous gypsum (see Patent Documents 4 and 5).
- Patent Document 4 Japanese Patent Laid-Open No. 9 1 5 6 9 7 7
- Patent Document 5 Japanese Patent Application Laid-Open No. 9-012045
- Patent Document 6 Japanese Patent Laid-Open No. 1 1 1 1 7 1 6 2 8
- blast furnace slag fine powder is a material with latent hydraulic property that self-hardens in an alkaline atmosphere and has a property of more hydrating in the presence of gypsum. It ’s a must-have thing ”(paragraph [0 From 0 1 4 3), blast furnace slag fine powder and gypsum are essential, and ⁇ lime is not fixed to phosphoric acid eluted in water when using polymer flocculant-based incineration ash of sewage sludge. (Paragraph [0 0 1 6]) It is only used by force, and natural anhydrite is combined with lime, and the solubility of natural anhydrite is controlled for steam curing and high strength is expressed. It is not intended to be an admixture. '
- the present invention is not limited to the type of water reducing agent, and improves the pseudo-caking property caused by the high dissolution rate of natural anhydrous gypsum and can stably maintain high strength expression performance. It is an object of the present invention to provide a material, a cement composition using the admixture, and a method for producing a monoletal or concrete product using the admixture.
- the present invention employs the following means.
- the amount of natural anhydrous gypsum in the cement admixture is equivalent to 1 g. made as samples, when contacted 0.05% Na 2 HPO 4 aqueous solution 100g and 1 hour at 20, in which the SC ion concentration in the aqueous solution shows the dissolution rate of from 0.027 to 0.30 mass 0/0 / hr It is a cement admixture characterized by being.
- a cement composition wherein the cement admixture according to any one of (1) to (5) is added to cement.
- a method for producing a mortar or concrete product characterized by subjecting the mortar or concrete material to which the cement admixture according to any one of (1) to (5) above is added to atmospheric steam curing.
- the part and% which show the mixture ratio and addition amount which are used by this invention are a mass unit. It is preferable that the SC ionic concentration in the aqueous solution exhibits a dissolution rate of 0.04 to 0.30 mass% hr when it is contacted for 1 hour with stirring to such an extent that lg of natural anhydrous gypsum does not precipitate to the liquid lOOg.
- the dissolution rate of the natural anhydrite in the cement admixture is The rate of dissolution of natural anhydrous gypsum in cement admixture is defined based on the finding that it is smaller than that of anhydrous gypsum alone. That is, a sample of natural anhydrite in a cement admixture containing calcined clay minerals, equivalent to 1 g, was sampled for 1 hour per 100 g of ° . ⁇ ⁇ / ⁇ ⁇ aqueous solution at 20 ° C. when contacted, S0 4 ion concentration in the aqueous solution is a cement admixture showing a dissolution rate of 0.027 to 0.30 wt% hr.
- the S0 4 ion was quantified by taking a sample so that CaS0 4 of natural anhydrous gypsum in the cement admixture was lg, and performing the dissolution operation, followed by suction filtration using No. 5A filter paper. Dilute the filtrate to 200 ml with pure water. 'Cover with a watch glass and bring to a boil. Boiling is continued for 30 minutes while the aqueous solution of salty barium (lOOg / 1) is added dropwise with stirring and precipitated as BaSC. Then, after aging for 3 hours, filter with No.
- the present inventor has found that calcined clay minerals and clay minerals do not have the strength-increasing effect due to their own pozzolanic activity, but have the effect of suppressing the dissolution rate of natural anhydrous gypsum, resulting in high strength. It has been found that. In addition, slaked lime and quicklime have been found to have the effect of suppressing the dissolution rate of natural anhydrous gypsum, resulting in high strength.
- the calcined clay mineral of the present invention is a soil mainly composed of an aluminosilicate such as acid clay, activated clay (acid-treated acid clay), bentonite, strong orinite, chlorite, sericite, or rhodolite.
- Clay minerals are non-fired acid clay, activated clay (acid clay treated with acid), force orinite, chlorite, sericite, wollastonite, and other aluminosilicates.
- the amount of one or more admixture ingredients selected from calcined clay minerals, clay minerals, slaked lime, and quick lime is preferably 80. parts or less in a total of 100 parts of natural anhydrous gypsum and these admixture ingredients. 70 parts is more preferred. Even if it exceeds 80 parts, the effect of suppressing the dissolution rate of natural anhydrous gypsum reaches its peak, and the high strength development performance may not change, and in addition, the blending ratio of natural anhydrous gypsum decreases. In order to obtain the same strength, the amount of cement admixture added to the cement increases, which is not economical.
- natural anhydrous gypsum When natural anhydrous gypsum is combined with calcined clay mineral and Z or clay mineral with slaked lime and Z or quick lime, 40 to 80 parts natural anhydrous gypsum, 30 to 10 parts calcined clay mineral and / or clay mineral, and The slaked lime and Z or quick lime are preferably 30 to 10 parts.
- the amount of the cement admixture of the present invention is preferably 15 parts or less, more preferably 210 parts in terms of natural anhydrite relative to 100 parts of cement. Even if it exceeds 15 parts, the strength effect may reach its peak.
- the normal pressure steam curing method is not particularly limited, but it must be maintained at a maximum temperature of 40 to 90 ° C for 4 to 6 hours, and the time from the start of steam curing (temperature rise) to the stop of steam curing should be 5 to 5 hours. 10 hours is preferred.
- a necessary amount of a high-performance water reducing agent or a high-performance AE water reducing agent is used in combination.
- polyalkylaryl sulfonate are based on any one of the above-mentioned systems, aromatic amino sulfonate systems, and melamine formalin resin sulfonate systems, and one or more of them are used.
- Polyalkylaryl sulfonate-based high-performance water reducing agents include methyl naphthalene sulfonate formalin condensate, naphthalene sulfonic acid formalin condensate and anthracene sulfonic acid formalin condensate.
- Setting delay is a small water reducing agent.
- the amount of the above-mentioned high-performance water reducing agent added is preferably 4% by mass or less, more preferably 1.0 to 3.0% by mass with respect to cement in the form of a commercial product.
- High-performance AE water reducing agents include improved types of high-performance water reducing agents, which can be used, but are usually referred to as polycarboxylate-based water reducing agents.
- Copolymers derived from copolymers of acrylic acid and acrylic acid methacrylic acid salts and monomers that can be copolymerized with these monomers are the mainstream, and the amount added is lower than that of high-performance water reducing agents.
- the water reduction rate is large. In addition, it has air entrainment properties and large delay in setting and curing, but it has the property of having slump retention.
- the addition amount of the high-performance AE water reducing agents as described above is preferably 4 mass 0/0 or less with respect to the cement in the form of a commercial product, more preferably from 0.7 to 3.0 wt%.
- the cement used in the present invention is usually a mixed cement mixed with various Portland cements such as early strength, moderate heat, low heat, sulfate resistance, white, or blast furnace slag fly ash.
- various Portland cements such as early strength, moderate heat, low heat, sulfate resistance, white, or blast furnace slag fly ash.
- it can be a cement with any combination of various Portland cements and mixed cements, or it can be a cement containing fly ash blast furnace slag or fly ash.
- the method for adding the admixture of the present invention is not particularly limited.
- Mortar or concrete When mixing, together with other mortar or concrete materials, you may add a mixture of natural anhydrous gypsum and calcined clay minerals, or a mixture of powdered and mixed powder. It may be added. Also, a cement composition obtained by mixing an admixture may be used.
- Fine aggregate River sand from Himekawa, Niigata (5mm below)
- Coarse aggregate Crushed stone from Himekawa, Niigata (13-5mm),
- Water reducing agent Polyalkylaryl sulfonate high-performance water reducing agent (liquid)
- Clay mineral A Acid white clay powder, plain specific surface area 7520cm 2 / g
- Baked clay mineral B ground product of activated clay after filtering edible oil, calcined at 800 ° C, Blaine specific surface area 5510 cm 2 / g
- Quick Lime C Gas-fired quick lime, purity 99%, powdered rice cake, plain specific surface area 8550cm 2 / g Slaked lime D: Quick Lime C digested and powdered, plain specific surface area lOOOOcmVg or more
- Natural anhydrous gypsum was adjusted by adjusting the powder level while changing the feed amount with a vibratory mill with two cylinders (inner diameter of 15 cm). When calcined clay minerals were blended, they were simply mixed.
- cement admixture with adjusted dissolution rate of only natural anhydrous gypsum in Table 1, concrete was mixed at 10 ° C or less to reduce false setting.
- the basic composition of concrete is: unit cement amount 450kg / m 3 , water amount 130kg / m 3 , fine aggregate amount 710kg / m 3 , coarse aggregate amount 1150kg / m 3 , water reducing agent amount 9kg / m 3
- 3L5kg / m 3 of cement admixture (7 parts by mass with respect to 100 parts by mass of cement) was replaced with fine aggregate to produce slump 1-8 cm concrete, and a specimen was molded.
- the dissolution rate is 0.04 to 0.30 mass% / hr, and the effect of increasing the strength is recognized, and it is preferably 0.04 to 0.20 mass% hr. It was also found that when the dissolution rate exceeds 0.3% by mass / hr, pseudo-condensation was shown even at low temperatures, and workability deteriorated.
- Table 3 shows the dissolution rates of natural anhydrous gypsum in cement admixtures in which 70% by mass of mineral B is mixed with the cement admixtures in Table 1. Table 3 shows that when calcined clay minerals are added, the dissolution rate of natural anhydrous gypsum in the cement admixture decreases. Table 3
- Example i A similar test was conducted. The pre-curing was set at 20 ° C, and for comparison, concrete containing only 13.5kg / m 3 of calcined clay mineral was also added. The results are shown in Table 4.
- Table 5 shows the cement admixture in which the dissolution rate of natural anhydrous gypsum in the cement admixture is adjusted by mixing the clay admixture of sample No. 4 in Table 1 with an arbitrary ratio. It is shown that the dissolution rate of natural anhydrous gypsum in cement admixture decreases as the amount of calcined clay mineral increases.
- the figures in parentheses are parts by mass of natural anhydrous cocoon per 100 parts by mass of cement. From Table 6, when the admixture of the present invention is added in an amount equivalent to natural anhydrous gypsum with respect to 100 parts by mass of cement. When added so that the mass is constant (Experiment No.3-1 to No.3-15) In the case of fired clay clay and clay minerals (experiment ⁇ .3-1 to ⁇ ⁇ 3-9), the pozzolanic activity is low and the strength enhancement effect by the pozzolanic reaction is not Not accepted Therefore, the lower the dissolution rate of natural anhydrous gypsum in cement admixture, the higher the strength.
- the ratio of natural anhydrous gypsum and calcined clay mineral is 30/70 and 20 Z 80, the strength reaches its peak, so even if natural anhydrous gypsum is less than 20 parts by mass, no increase in strength can be expected (Experiment No. 3 -8 and No.3-9).
- the ratio of natural anhydrous gypsum and calcined clay minerals shows a strong effect from 95 Z 5, but as the ratio of calcined clay minerals is increased, the strength gradually increases and becomes remarkable from 90/10. ' become (Experiment No.3-2 to No.3-9). Therefore, the blending ratio of the natural anhydrous gypsum Z calcined clay mineral of the present invention is 95 Z 5-20 / 80, more preferably 90-10-3070.
- Table 7 shows the dissolution rate of natural anhydrous gypsum in cement admixture in which two or more kinds of calcined clay minerals are mixed with cement admixture Sampnore No.5 in Table 1. In this case as well, it is shown that the dissolution rate of natural anhydrous gypsum in the cement admixture decreases as the blending amount of calcined clay mineral increases.
- the ratio of natural anhydrite calcined clay mineral is 80/20 (calcined clay mineral ⁇ clay mineral 10: quick lime ⁇ slaked lime 10) ⁇ 40/60 (calcined clay mineral ⁇ clay mineral 30: quick lime ⁇ slaked lime 30)
- the range shows a remarkable strength enhancement effect (Experiment No. 4-4 to No. 4-10).
- Table 9 shows that even when a polycarboxylate-based water reducing agent is used, the same strength as when a polyalkylaryl sulfonate-based water reducing agent is used is obtained, and the higher the blended amount of the calcined clay mineral, the higher the strength. As shown, the strength tends to decrease when the absolute amount of natural anhydrous gypsum decreases even if it is too much, and the ratio of natural hydrous gypsum / calcined clay mineral, etc. The range of 40 Z 60. shows a remarkable strength enhancement effect (Experiment No. 5-4 to No. 5-10). Industrial applicability
- the present invention provides a cement admixture mainly comprising at least one selected from natural anhydrous gypsum and calcined clay mineral, clay mineral, slaked lime, and quicklime, and the natural anhydrite in the cement admixture. It is a cement composition that regulates the dissolution rate and can achieve high strength using these admixtures. Therefore, it is necessary to increase the strength of civil engineering structures, concrete piles, poles, fume pipes, and other steam. Used for concrete products produced by curing.
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Abstract
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN2006800210003A CN101198562B (zh) | 2005-06-14 | 2006-03-30 | 水泥混合材料、水泥组合物以及灰浆或混凝土制品的制造方法 |
JP2007521176A JP4954068B2 (ja) | 2005-06-14 | 2006-03-30 | セメント混和材、セメント組成物、並びに、モルタル又はコンクリート製品の製造方法 |
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PCT/JP2005/011203 WO2006134670A1 (ja) | 2005-06-14 | 2005-06-14 | セメント混和材及びセメント組成物 |
JPPCT/JP2005/011203 | 2005-06-14 |
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PCT/JP2006/307258 WO2006134711A1 (ja) | 2005-06-14 | 2006-03-30 | セメント混和材、セメント組成物、並びに、モルタル又はコンクリート製品の製造方法 |
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KR (1) | KR100947808B1 (ja) |
CN (1) | CN101198562B (ja) |
MY (1) | MY163157A (ja) |
TW (1) | TWI403484B (ja) |
WO (2) | WO2006134670A1 (ja) |
Cited By (5)
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JP2010275157A (ja) * | 2009-05-29 | 2010-12-09 | Sumitomo Osaka Cement Co Ltd | セメント硬化体の作製方法 |
CN111410488A (zh) * | 2020-04-25 | 2020-07-14 | 遂宁安通商品混凝土有限公司 | C80高强混凝土及其制备方法 |
JP2020183339A (ja) * | 2019-05-09 | 2020-11-12 | 宇部興産株式会社 | モルタル・コンクリート用混和材、これを含むセメント組成物、モルタル組成物及びコンクリート組成物、並びに、モルタル硬化物及びコンクリート硬化物の製造方法 |
JP2021116195A (ja) * | 2020-01-23 | 2021-08-10 | デンカ株式会社 | セメント混和材 |
CN113800789A (zh) * | 2021-11-19 | 2021-12-17 | 山东绿达建设发展集团有限公司 | 一种高速公路路基缓凝水泥及其制备方法 |
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JP4954068B2 (ja) * | 2005-06-14 | 2012-06-13 | 電気化学工業株式会社 | セメント混和材、セメント組成物、並びに、モルタル又はコンクリート製品の製造方法 |
GB2470401A (en) * | 2009-05-22 | 2010-11-24 | Bpb Ltd | Calcium sulphate-based products having enhanced water resistance |
GB201019841D0 (en) * | 2010-11-23 | 2011-01-05 | Bpb Ltd | Calcium sulphate-bases products and methods for the manufacture thereof |
CN102172979A (zh) * | 2011-02-12 | 2011-09-07 | 嘉兴学院管桩应用技术研究所 | 一种提高水泥制品混凝土强度的方法 |
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DE102015118391A1 (de) * | 2015-10-28 | 2017-05-04 | Thyssenkrupp Ag | Verfahren zur Herstellung eines Zementklinkersubstituts, das vorrangig aus kalziniertem Ton besteht |
CN106007649A (zh) * | 2016-05-25 | 2016-10-12 | 句容联众科技开发有限公司 | 耐酸水泥混合材 |
TWI700264B (zh) * | 2019-04-23 | 2020-08-01 | 王武添 | 粉料預鑄式建材 |
TWI700258B (zh) * | 2019-04-23 | 2020-08-01 | 王武添 | 乾式預拌混合粉料組成物 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5640104B2 (ja) * | 1976-10-15 | 1981-09-18 | ||
JPH0375254A (ja) * | 1989-08-10 | 1991-03-29 | Osaka Cement Co Ltd | セメント組成物 |
JPH07206492A (ja) * | 1994-01-25 | 1995-08-08 | Denki Kagaku Kogyo Kk | セメント混和材及びセメント組成物 |
JPH0920545A (ja) * | 1995-07-05 | 1997-01-21 | Denki Kagaku Kogyo Kk | セメント組成物、それを用いたセメント硬化体、及びその製造方法 |
JPH09156977A (ja) * | 1995-12-11 | 1997-06-17 | Denki Kagaku Kogyo Kk | セメント混和材及びセメント組成物 |
JPH11171628A (ja) * | 1997-12-05 | 1999-06-29 | Kawasaki City | 下水汚泥焼却灰を用いたセメント組成物およびこのセメ ント組成物の使用方法とこの組成物を用いた成形物およ び構造物 |
JP3343163B2 (ja) * | 1993-12-27 | 2002-11-11 | 太平洋セメント株式会社 | コンクリート及びこれを用いた高強度コンクリート成形体の製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950007707B1 (ko) * | 1992-04-23 | 1995-07-14 | 덴끼가가꾸고오교 가부시끼가이샤 | 시멘트 혼화재 및 이를 함유하는 시멘트 조성물 |
-
2005
- 2005-06-14 WO PCT/JP2005/011203 patent/WO2006134670A1/ja not_active Application Discontinuation
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2006
- 2006-03-30 CN CN2006800210003A patent/CN101198562B/zh active Active
- 2006-03-30 WO PCT/JP2006/307258 patent/WO2006134711A1/ja active Application Filing
- 2006-03-30 KR KR1020077029330A patent/KR100947808B1/ko active IP Right Grant
- 2006-05-09 MY MYPI20062128A patent/MY163157A/en unknown
- 2006-06-14 TW TW095121117A patent/TWI403484B/zh not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5640104B2 (ja) * | 1976-10-15 | 1981-09-18 | ||
JPH0375254A (ja) * | 1989-08-10 | 1991-03-29 | Osaka Cement Co Ltd | セメント組成物 |
JP3343163B2 (ja) * | 1993-12-27 | 2002-11-11 | 太平洋セメント株式会社 | コンクリート及びこれを用いた高強度コンクリート成形体の製造方法 |
JPH07206492A (ja) * | 1994-01-25 | 1995-08-08 | Denki Kagaku Kogyo Kk | セメント混和材及びセメント組成物 |
JPH0920545A (ja) * | 1995-07-05 | 1997-01-21 | Denki Kagaku Kogyo Kk | セメント組成物、それを用いたセメント硬化体、及びその製造方法 |
JPH09156977A (ja) * | 1995-12-11 | 1997-06-17 | Denki Kagaku Kogyo Kk | セメント混和材及びセメント組成物 |
JPH11171628A (ja) * | 1997-12-05 | 1999-06-29 | Kawasaki City | 下水汚泥焼却灰を用いたセメント組成物およびこのセメ ント組成物の使用方法とこの組成物を用いた成形物およ び構造物 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010275157A (ja) * | 2009-05-29 | 2010-12-09 | Sumitomo Osaka Cement Co Ltd | セメント硬化体の作製方法 |
JP2020183339A (ja) * | 2019-05-09 | 2020-11-12 | 宇部興産株式会社 | モルタル・コンクリート用混和材、これを含むセメント組成物、モルタル組成物及びコンクリート組成物、並びに、モルタル硬化物及びコンクリート硬化物の製造方法 |
JP2021116195A (ja) * | 2020-01-23 | 2021-08-10 | デンカ株式会社 | セメント混和材 |
JP7444619B2 (ja) | 2020-01-23 | 2024-03-06 | デンカ株式会社 | セメント混和材 |
CN111410488A (zh) * | 2020-04-25 | 2020-07-14 | 遂宁安通商品混凝土有限公司 | C80高强混凝土及其制备方法 |
CN113800789A (zh) * | 2021-11-19 | 2021-12-17 | 山东绿达建设发展集团有限公司 | 一种高速公路路基缓凝水泥及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
KR100947808B1 (ko) | 2010-03-15 |
CN101198562A (zh) | 2008-06-11 |
CN101198562B (zh) | 2012-10-17 |
KR20080025680A (ko) | 2008-03-21 |
WO2006134670A1 (ja) | 2006-12-21 |
MY163157A (en) | 2017-08-15 |
TW200710061A (en) | 2007-03-16 |
TWI403484B (zh) | 2013-08-01 |
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